3.7V 1 x 18650 Battery Holder Case Box with Leads

The 3.7V 1 x 18650 battery holder case can use 1 x 18650 batteries to supply any power system using 3.7V. the battery holder case is great for outdoor environment and widely used in automotive, posts and telecommunications, communications, electricity, coal, aerospace, defense, surveillance systems, railway signals, medical equipment, instruments and meters, LED displays, cable TV and other fields.